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-rw-r--r--drivers/hwmon/max31790.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hwmon/max31790.c b/drivers/hwmon/max31790.c
index bef84e085973..c1b9275978f9 100644
--- a/drivers/hwmon/max31790.c
+++ b/drivers/hwmon/max31790.c
@@ -268,11 +268,13 @@ static int max31790_read_pwm(struct device *dev, u32 attr, int channel,
long *val)
{
struct max31790_data *data = max31790_update_device(dev);
- u8 fan_config = data->fan_config[channel];
+ u8 fan_config;
if (IS_ERR(data))
return PTR_ERR(data);
+ fan_config = data->fan_config[channel];
+
switch (attr) {
case hwmon_pwm_input:
*val = data->pwm[channel] >> 8;